Use a vertical shift to graph the function.y = -3 cos x - 2 

A.

B.

C.

D.


Answer: B

Mathematics

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Solve the problem.Given the cost function, C(x), and the revenue function, R(x), find the number of units x that must be sold to break even. C(x) = 56x + 900 R(x) = 71x

A. 60 units B. 11 units C. 61 units D. 62 units

Mathematics

Solve the problem.After being struck with a hammer, a gong vibrates 24 vibrations in the first second and in each second thereafter makes  as many vibrations as in the previous second. Find how many vibrations the gong makes before it stops vibrating.

A. 27 vibrations B. 106 vibrations C. 96 vibrations D. 32 vibrations

Mathematics

Find the zeros of f(x), given that one zero is k.f(x) = 3x4 - 25x3 + 83x2 - 103x + 26k = 

A. 2, , 3 ± 2i
B. -2, , 3 ± 2i
C. -2, - , 2 ± 3i
D. 2, - , 2 ± 3i

Mathematics

Use the number line to determine whether the statement is true or false. 4 > -2

A. True B. False

Mathematics